Dennistreysa/HC-06-BT - GitHub

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HC-06-BT

An Arduino library for the HC-06 Bluetooth module using the BC417 chip. Made for version "hc01.comV2.0", but might work with others.

Background

I was unable to get my Bluetooth module going, so I combined some other libraries to code my own. Maybe this might be helpful for others.

There is not much you can configure. A minimal setup looks like the following:

Bluetooth BT(2, 3); // RX, TX

If you want to, you can specify the baudrate of the controller:

Bluetooth BT(2, 3, 9600); // RX, TX

As you can read here there are some limitations to the SoftwareSerial:

If using multiple software serial ports, only one can receive data at a time.
Not all pins on the Mega and Mega 2560 support change interrupts, so only the following can be used for RX: 10, 11, 12, 13, 14, 15, 50, 51, 52, 53, A8 (62), A9 (63), A10 (64), A11 (65), A12 (66), A13 (67), A14 (68), A15 (69).
Not all pins on the Leonardo and Micro support change interrupts, so only the following can be used for RX: 8, 9, 10, 11, 14 (MISO), 15 (SCK), 16 (MOSI).
On Arduino or Genuino 101 the current maximum RX speed is 57600bps
On Arduino or Genuino 101 RX doesn't work on Pin 13